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"According to my value system for loudspeakers  honest octave-to-octave balance, precise imaging, expansive spatial accuracy, freedom from dynamic compression, and absence of coloration  PSB's Synchronys are among the best loudspeakers I've auditioned in my studio in several years. You could easily spend substantially more and do no better, or not as well. Synchrony was definitely worth the wait."Dan Kumin, Sound+Vision, November 2007

Unique, five-driver array produces smooth sound

Synchrony tower speakers are internally divided into three distinct chambers separating the woofers, for cleaner sound.

Great sound begins with quality driver materials

The 1" titanium dome tweeter is carefully crafted to produce smooth, accurate highs free from distortion and grain. The midrange and woofer cones are made of fine-weave fiberglass, which creates a stiff, self-damping cone. Whether you enjoy intense action flicks or smooth jazz, these woofers can handle pretty much anything you throw at them. You'll hear exceptionally clean mids with excellent detail and tonal accuracy. Plus, the three smaller woofers effectively move as much air combined as a single woofer several times their size, allowing them to produce surprisingly deep and very precise bass for a speaker this size.

Extra-large voice coils and virtually distortion-free motor structures help preserve clarity and detail. Plus the rigid, cast aluminum baskets are magnetically inert for maximum efficiency. It all adds up to superbly stable and accurate stereo imaging that'll pull you further into the soundstage than most other speakers do.

Uniform sound from top to bottom

The Synchrony One uses a five-driver array made up of three woofers, a midrange, and a tweeter. Unlike other speakers, the tweeter sits just below the top woofer and midrange in a unique arrangement that's characteristic of PSB's high-end speakers. Having the tweeter positioned lower along the baffle helps you experience the full sonic range from low to high, whether you're seated or standing. The three woofers are also strategically placed along the full length of the baffle, allowing for more consistent sound dispersion between them.

The tweeter uses a high-flux neodymium magnet to maintain clear, accurate highs, even during dynamic peaks like explosions or cymbal crashes.

Top-notch crossover ensures optimal sound dispersion

PSB's years of design experience and tireless testing at the National Research Council in Canada have led to a superior crossover design. The high-quality components are carefully picked to create the fourth-order crossovers that go into Synchrony speakers. Meticulous engineering ensures minimal driver overlap, with precisely chosen crossover points to maintain proper dispersion. The result is a smooth frequency response over a wide "sweet-spot."

A solid cabinet with a luxurious, real-wood veneer finish

The Synchrony One's heavy, rigid cabinet helps eliminate vibrations to maintain the speaker's natural sound. The double-walled aluminum front and back cabinet surfaces hold the curved side panels in place. Each side panel is constructed using seven layers of MDF, each one individually laminated to improve the panel's stiffness and absorb sonic energy that might otherwise color the sound. The top and side panels are clad in real wood veneer that's hand selected for its beauty and quality.

Floor-standing speakers  still standing tall

Sure, floor-standing tower speakers buck the industry trend toward smaller, visually inconspicuous speakers, but they're hard to beat if great sound is your primary goal. Tower speakers produce powerful sound with excellent bass, making them a great choice for serious music lovers and for folks who want high-impact home theater.

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Synchrony One - Excellent Speaker Package

Written By Paul from New Paltz NY, New Paltz, NY on Saturday, October 19, 2013

PSB has always made exceptional speakers for the price point but the Synchrony Ones take it to a whole new level. In direct listening comparisons of an older set of 5Ts, Synchrony 2 and Synchrony one the Synchrony Ones bested the other speaker by a wide margin. Listening to all three play the center channel from a DVD audio of America's second album the bass sounded like a true bass guitar where as the older 5Ts had all the right detail but it didn't match the sound and timber of a bass guitar but the Synchrony Ones nailed it. Nice tight bass and a accurate representation of the instruments true sound. I was very impressed with the overall soundstage, imaging and accuracy. I saw a lit on the internet of the top 25 speakers and they were all 3x the price of the Synchrony Ones and while the Synchroiny did not make the top 25 it was ranked number 30 and they were measured against speakers costing up to $125,000. Cited as being in the same league as the most expensive speakers at a fraction of the cost. My experience backs up everything I read on the internet. The Synchrony Ones are an amazing speaker that just happens to be at an afforadble. Id buy them at twice the price.

Pros:Excellent accuracy and lifelike reproduction

Cons:None that I can see or hear....worth well more than their asking price

PSB Synchrony One

Excellent build quality and superior sound. I recently replaced a pair of Polk LSI25 with the PSBs. The LSI25 were a fair speakers in build and sound quality. The PSB Synchrony One is in class far above the LSI25. Out of the box they produce a marginal sound but in a short time they have attained a clarity and brilliance that I am unaccustomed to. I expect they will get even better with use.

Stunning

These speakers are as good as speakers several times their price. This review says it all: http://www.hometheater.com/content/psb-synchrony-one-speaker-system. In my own words, once they broke in (I was disappointed with their performance straight out of the box but speakers of this caliber require some conditioning before they attain their brilliance) they became majestic. Their accuracy and sound-staging is unparalleled in their price range. Buy these speakers.

Product Research

Driver Technology

Cone Design: The midrange and woofer cones are a laminated
sandwich design; each has a fine weave fiberglass layer along with a compressed,
felted natural fiber laminate. The result is a rigid cone with added damping
properties. The central dustcap offers a second connection to the voice coil to
improve bass and midrange control. The inherent distortion resulting from the
magnetic field generated by the input signal reacting with the field in the
magnetic structure's air gap and the self-induction and impedance that varies
with cone movement are addressed using an aluminum shorting ring within the
magnet structure, an aluminum phase plug on the pole piece, and a shorted copper
turn on top of the pole piece. The aluminum phase plug also mechanically
smoothes the response and acts as a heat sink for the voice coil, reducing power
compression. The drivers use cast aluminum baskets and rubber surrounds.

Tweeter: The 1" titanium, Ferrofluid cooled dome tweeter has a
neodymium motor structure and an aluminum heat sink. The mass (low) and stiffness
(high) are optimized for the required wide frequency response.

Crossover Network: The crossover is a 3-way acoustical fourth
order Linkwitz-Riley type with a 24 dB/octave slope. Tight tolerances were used
when choosing the crossover components; heavy multi-laminated iron cores are used
for large value inductors, high gauge wire air core inductors are used for medium
and small values, all the capacitors are low loss and film capacitors are used for the
midrange and treble frequencies.

Enclosure Design

Cabinet: The cabinet is an integral part of speaker design and
has a dramatic effect on the overall sound of a speaker. PSB uses a combination of
aluminum and wood in the Synchrony One's construction. The front baffle and rear
panel are made of double wall aluminum extrusions. The aluminum panels are very
rigid and precisely machined with contours to preserve the sonic characteristics
of the drivers. The side panels are seven layers of 3mm MDF, curved for added
stiffness, with a wood veneer exterior. While rigid, MDF also has inherent damping
properties to absorb energy that might otherwise color the music. Internally the
cabinet has three separate chambers for the three speaker sections, each with its
own port on the rear panel.

Port Cover: There are three ports on the rear panel, one for
each of the internal chambers. One port cover is included to seal a port (if
necessary), thereby
changing the bass tuning characteristics of the speaker to correct the interaction
with the room. If needed, additional port covers can be obtained from PSB for a
nominal fee.

Connections

Dual Binding Posts: The dual binding post input terminals are located
on the lower rear of the speaker cabinet. The two sets of binding posts are shorted
together by a gold-plated jumper. With the jumper removed the Synchrony One can be
bi-wired or bi-amplified. The binding posts will accept spade connectors, single
banana plugs, pin connectors, and bare wire up to 8 gauge.

Mounting Options

Leveling Feet: The Synchrony One includes two sets of leveling
feet; the rubber covered feet are used on a hard surface and add approximately
1/2" to the height of the speaker, the carpet spikes add approximately 1"
to the height.

Specifications

Frequency Response:

On Axis @ 0°: 30-23,000 Hz (+/-3
dB)

On Axis @ 0°: 33-20,000 Hz (+/-1.5
dB)

Off Axis @ 30°: 33-10,000 Hz (+/-1.5
dB)

Low Frequency Cutoff -10 dB: 24 Hz

Sensitivity:

Anechoic Chamber: 88 dB

Typical Listening Room: 90 dB

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